本文整理汇总了Java中org.bouncycastle.asn1.pkcs.PBES2Parameters.getInstance方法的典型用法代码示例。如果您正苦于以下问题：Java PBES2Parameters.getInstance方法的具体用法？Java PBES2Parameters.getInstance怎么用？Java PBES2Parameters.getInstance使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.bouncycastle.asn1.pkcs.PBES2Parameters的用法示例。
在下文中一共展示了PBES2Parameters.getInstance方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: createCipher
import org.bouncycastle.asn1.pkcs.PBES2Parameters; //导入方法依赖的package包/类
private Cipher createCipher(int mode, char[] password, AlgorithmIdentifier algId)
throws NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, NoSuchProviderException
{
PBES2Parameters alg = PBES2Parameters.getInstance(algId.getParameters());
PBKDF2Params func = PBKDF2Params.getInstance(alg.getKeyDerivationFunc().getParameters());
AlgorithmIdentifier encScheme = AlgorithmIdentifier.getInstance(alg.getEncryptionScheme());
SecretKeyFactory keyFact = helper.createSecretKeyFactory(alg.getKeyDerivationFunc().getAlgorithm().getId());
SecretKey key;
if (func.isDefaultPrf())
{
key = keyFact.generateSecret(new PBEKeySpec(password, func.getSalt(), func.getIterationCount().intValue(), keySizeProvider.getKeySize(encScheme)));
}
else
{
key = keyFact.generateSecret(new PBKDF2KeySpec(password, func.getSalt(), func.getIterationCount().intValue(), keySizeProvider.getKeySize(encScheme), func.getPrf()));
}
Cipher cipher = Cipher.getInstance(alg.getEncryptionScheme().getAlgorithm().getId());
AlgorithmIdentifier encryptionAlg = AlgorithmIdentifier.getInstance(alg.getEncryptionScheme());
ASN1Encodable encParams = alg.getEncryptionScheme().getParameters();
if (encParams instanceof ASN1OctetString)
{
cipher.init(mode, key, new IvParameterSpec(ASN1OctetString.getInstance(encParams).getOctets()));
}
else
{
// TODO: at the moment it's just GOST, but...
GOST28147Parameters gParams = GOST28147Parameters.getInstance(encParams);
cipher.init(mode, key, new GOST28147ParameterSpec(gParams.getEncryptionParamSet(), gParams.getIV()));
}
return cipher;
}
示例2: createCipher
import org.bouncycastle.asn1.pkcs.PBES2Parameters; //导入方法依赖的package包/类
private Cipher createCipher(int mode, char[] password, AlgorithmIdentifier algId)
throws NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException
{
PBES2Parameters alg = PBES2Parameters.getInstance(algId.getParameters());
PBKDF2Params func = PBKDF2Params.getInstance(alg.getKeyDerivationFunc().getParameters());
AlgorithmIdentifier encScheme = AlgorithmIdentifier.getInstance(alg.getEncryptionScheme());
SecretKeyFactory keyFact = SecretKeyFactory.getInstance(alg.getKeyDerivationFunc().getAlgorithm().getId(), bcProvider);
SecretKey key;
if (func.isDefaultPrf())
{
key = keyFact.generateSecret(new PBEKeySpec(password, func.getSalt(), func.getIterationCount().intValue(), keySizeProvider.getKeySize(encScheme)));
}
else
{
key = keyFact.generateSecret(new PBKDF2KeySpec(password, func.getSalt(), func.getIterationCount().intValue(), keySizeProvider.getKeySize(encScheme), func.getPrf()));
}
Cipher cipher = Cipher.getInstance(alg.getEncryptionScheme().getAlgorithm().getId());
AlgorithmIdentifier encryptionAlg = AlgorithmIdentifier.getInstance(alg.getEncryptionScheme());
ASN1Encodable encParams = alg.getEncryptionScheme().getParameters();
if (encParams instanceof ASN1OctetString)
{
cipher.init(mode, key, new IvParameterSpec(ASN1OctetString.getInstance(encParams).getOctets()));
}
else
{
// TODO: at the moment it's just GOST, but...
GOST28147Parameters gParams = GOST28147Parameters.getInstance(encParams);
cipher.init(mode, key, new GOST28147ParameterSpec(gParams.getEncryptionParamSet(), gParams.getIV()));
}
return cipher;
}
示例3: build
import org.bouncycastle.asn1.pkcs.PBES2Parameters; //导入方法依赖的package包/类
public InputDecryptorProvider build(final char[] password)
{
return new InputDecryptorProvider()
{
private Cipher cipher;
private AlgorithmIdentifier encryptionAlg;
public InputDecryptor get(final AlgorithmIdentifier algorithmIdentifier)
throws OperatorCreationException
{
SecretKey key;
ASN1ObjectIdentifier algorithm = algorithmIdentifier.getAlgorithm();
try
{
if (algorithm.on(PKCSObjectIdentifiers.pkcs_12PbeIds))
{
PKCS12PBEParams pbeParams = PKCS12PBEParams.getInstance(algorithmIdentifier.getParameters());
cipher = helper.createCipher(algorithm.getId());
cipher.init(Cipher.DECRYPT_MODE, new PKCS12KeyWithParameters(password, wrongPKCS12Zero, pbeParams.getIV(), pbeParams.getIterations().intValue()));
encryptionAlg = algorithmIdentifier;
}
else if (algorithm.equals(PKCSObjectIdentifiers.id_PBES2))
{
PBES2Parameters alg = PBES2Parameters.getInstance(algorithmIdentifier.getParameters());
PBKDF2Params func = PBKDF2Params.getInstance(alg.getKeyDerivationFunc().getParameters());
AlgorithmIdentifier encScheme = AlgorithmIdentifier.getInstance(alg.getEncryptionScheme());
SecretKeyFactory keyFact = helper.createSecretKeyFactory(alg.getKeyDerivationFunc().getAlgorithm().getId());
if (func.isDefaultPrf())
{
key = keyFact.generateSecret(new PBEKeySpec(password, func.getSalt(), func.getIterationCount().intValue(), keySizeProvider.getKeySize(encScheme)));
}
else
{
key = keyFact.generateSecret(new PBKDF2KeySpec(password, func.getSalt(), func.getIterationCount().intValue(), keySizeProvider.getKeySize(encScheme), func.getPrf()));
}
cipher = helper.createCipher(alg.getEncryptionScheme().getAlgorithm().getId());
encryptionAlg = AlgorithmIdentifier.getInstance(alg.getEncryptionScheme());
ASN1Encodable encParams = alg.getEncryptionScheme().getParameters();
if (encParams instanceof ASN1OctetString)
{
cipher.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(ASN1OctetString.getInstance(encParams).getOctets()));
}
else
{
// TODO: at the moment it's just GOST, but...
GOST28147Parameters gParams = GOST28147Parameters.getInstance(encParams);
cipher.init(Cipher.DECRYPT_MODE, key, new GOST28147ParameterSpec(gParams.getEncryptionParamSet(), gParams.getIV()));
}
}
}
catch (Exception e)
{
throw new OperatorCreationException("unable to create InputDecryptor: " + e.getMessage(), e);
}
return new InputDecryptor()
{
public AlgorithmIdentifier getAlgorithmIdentifier()
{
return encryptionAlg;
}
public InputStream getInputStream(InputStream input)
{
return new CipherInputStream(input, cipher);
}
};
}
};
}